@type t() :: %PolarExpress.Schemas.ProductUpdate{
  attached_custom_fields:
    [PolarExpress.Schemas.AttachedCustomFieldCreate.t()] | nil,
  description: String.t() | nil,
  is_archived: boolean() | nil,
  medias: [String.t()] | nil,
  metadata:
    %{
      required(String.t()) => String.t() | integer() | float() | boolean() | nil
    }
    | nil,
  name: String.t() | nil,
  prices:
    [
      PolarExpress.Schemas.ExistingProductPrice.t()
      | PolarExpress.Schemas.ProductPriceFixedCreate.t()
      | PolarExpress.Schemas.ProductPriceCustomCreate.t()
      | PolarExpress.Schemas.ProductPriceFreeCreate.t()
      | PolarExpress.Schemas.ProductPriceSeatBasedCreate.t()
      | PolarExpress.Schemas.ProductPriceMeteredUnitCreate.t()
    ]
    | nil,
  recurring_interval:
    PolarExpress.Schemas.SubscriptionRecurringInterval.t() | nil,
  recurring_interval_count: integer() | nil,
  trial_interval: PolarExpress.Schemas.TrialInterval.t() | nil,
  trial_interval_count: integer() | nil,
  visibility: PolarExpress.Schemas.ProductVisibility.t() | nil
}

• attached_custom_fields - Nullable.
• description - The description of the product. Nullable.
• is_archived - Whether the product is archived. If true, the product won't be available for purchase anymore. Existing customers will still have access to their benefits, and subscriptions will continue normally. Nullable.
• medias - List of file IDs. Each one must be on the same organization as the product, of type product_media and correctly uploaded. Nullable.
• metadata - Key-value object allowing you to store additional information.

The key must be a string with a maximum length of 40 characters. The value must be either:

• A string with a maximum length of 500 characters
• An integer
• A floating-point number
• A boolean

You can store up to 50 key-value pairs.

• name - Nullable.
• prices - List of available prices for this product. If you want to keep existing prices, include them in the list as an ExistingProductPrice object. Nullable.
• recurring_interval - The recurring interval of the product. If None, the product is a one-time purchase. Can only be set on legacy recurring products. Once set, it can't be changed. Nullable.
• recurring_interval_count - Number of interval units of the subscription. If this is set to 1 the charge will happen every interval (e.g. every month), if set to 2 it will be every other month, and so on. Once set, it can't be changed.** Nullable.
• trial_interval - The interval unit for the trial period. Nullable.
• trial_interval_count - The number of interval units for the trial period. Nullable.
• visibility - The visibility of the product. Nullable.